Subject: 3.5m Night Log 20240205
From: mcmillan@apo.nmsu.edu
Date: Tue,  6 Feb 2024 12:27:47 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, February 05, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
BY01  E.Hintz           T.Morrell
BY02  B.Boizelle        B.Boizelle,J.Davidson
JH02  Z.Rustamkulov     Z.Rustamkulov
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY01  TripleSpec     17:56   19:30
BY02  TripleSpec     19:31   20:50
JH02  KOSMOS         20:59   03:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY01/R      17:48  19:30    0    0    0    0   1.7  0.0   0    0
BY02/R      19:30  21:00    0    0    0    0   1.5  0.0   0    0
JH02/R      21:00  06:46   0.4  2.5   0    0   6.9  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
The night started out clear with excellent seeing, and gradually got worse from there.  High clouds and degraded seeing made observations difficult during second half, and the observer gave up on science before 4 am, but we stayed open for a few experiments and pretty pictures.  I closed at 5 am with radar approaching.
The TCS program for ARCSAT had a time-sync problem, and I was again/still unable to revive DIS.  Everything else we used tonight worked well.
                    ------- FAILURE LOG -------
              FAILURE MODE     TIME
PROG   INSTR     TI/SHU    START  FINISH  DESCRIPTION
----------------------------------------------------------------------
            ---------------- FOCUS LOG ---------------
Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
 18:02 tcamera    696( 1661) 139  67   6.1  8.8  7.7  8.8  8.1   Ks  1.18
 19:32 tcamera    396( 1271)  91  62   7.1  6.9  6.8  6.4  6.6   Ks  1.03
 21:14 kimage     365(  995) 244  70   6.6  6.0  6.6  5.8  5.9   -  0.65
 01:36 kimage     365(  994)  59  29   5.3  5.3  6.0  5.4  5.4   -  1.34
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    47    15      5   213  (SSW)     94 mstly clr    none
     17:00    46     4      4   193  (SSW)     87 mstly clr    none
     18:00    44    -5      7   187    (S)     66 mstly clr    none
     19:00    44    -7      6   186    (S)     69    clear     none
     20:00    44    -8      7   182    (S)     62    clear     none
     21:00    43    -6      8   184    (S)     62    clear     none
     22:00    44    -6      2   185    (S)     54 mstly clr    none
     23:00    43    -6     13   160  (SSE)     64 mstly clr    none
     00:00    44    -7     14   142   (SE)     77 mstly clr    none
     01:00    45    -6      9   164  (SSE)     58  ptly cldy   none
     02:00    44    -1     13   159  (SSE)    100  ptly cldy   none
     03:00    43    -3     18   167  (SSE)     95  ptly cldy   none
     04:00    42     6     13   178    (S)    249 mstly cldy   none
     05:00    39    13     15   169    (S)    451 mstly cldy   none
     Note: the wind was coming from the azimuth listed.
     The convention used is north=0 degrees, east=90 degrees.
     The dust count is particles > 1u per 0.1 cubic feet.
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